CN104191481A - New method for dyeing wood chips used as ground coverings of urban landscapes - Google Patents
New method for dyeing wood chips used as ground coverings of urban landscapes Download PDFInfo
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- CN104191481A CN104191481A CN201410457631.6A CN201410457631A CN104191481A CN 104191481 A CN104191481 A CN 104191481A CN 201410457631 A CN201410457631 A CN 201410457631A CN 104191481 A CN104191481 A CN 104191481A
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Abstract
The invention relates to a new method for dyeing wood chips with an environment-friendly effect and an excellent color effect. The method is characterized by adopting a two-step two-bath process and comprising the steps of carrying out bottoming dyeing on wood chips with a small amount of acid dye by a dip dyeing method and then performing surface coloring on the wood chips subjected to bottoming dyeing with red iron powder (iron trioxide), an adhesive and the like by a dip dyeing method. Therefore, the dyed wood chips have uniform color and high color fastness, and even if the red iron powder attached onto the surface of the wood chips falls off when the wood chips are used, the wood chips still have basic color and the landscaping effect is almost not influenced. With the dyeing method, the wood chips are brownish red, and the color is bright and uniform and has high fastness; less organic dye is used, the dyeing process is simple, the production cost is low, and industrial promotion is facilitated; besides, as less organic dye is only used and is coated with the red iron powder and the adhesive, the organic dye is unlikely to fall off and cannot cause environment pollution.
Description
Technical field
The present invention relates to afforestation field, relate to particularly a kind of colouring method of environmental protection organic mat.
Background technology
In recent years along with China economic society is fast-developing and the improving constantly of the level of urbanization, people are more and more urgent to the demand of improving and beautify the environment, many local upsurges of rising urban forests Green Space Construction, the developed area such as Beijing, Shanghai particularly, the investment construction dynamics of urban green space is increasing, and newly-built forest greenery patches, Nei He suburb nearby, city can be found everywhere.Yet, a problem can not be ignored is, the exposed plot of urban green space ubiquity, such as soil table between the flower of the earth's surface under planting pit, shrub or the high megaphanerophyte tree crown of urban path tree base portion, thin planting flower bed etc., this is airborne dust weather has created necessary condition.The earth's surface of urban green space covers and never comes into one's own, and particularly in North City, these exposed plot are main emission source classes of particle.According to incompletely statistics, the percentage of northern China urban green space bare land is up to 8%-12%, and in maintenance measure region not in place, this ratio even surpasses 30%.The series of problems such as dust pollution, soil erosion, weedy, waste water resource, impact be attractive in appearance are brought on these exposed earth's surfaces.Therefore, developed countries adopts natural wood chip mulching material to administer, and for suppressing wind airborne dust, soil protection and moisture content, control urban heat island, beautifying city, has received good effect.Domestic Ye You a few studies unit and enterprise extensively utilize bark, branch, wood fragments, pine needle, leaf, tree root etc. to cover these exposed plot trees materials.Chinese Patent Application No. 200810226197 discloses a kind of environmental protection organic mat, and its component is wood shavings and various auxiliary material.Yet, these wood shavings are not through processing, its color is disorderly and unsystematic, from light gray to dark-brown not etc., and when they are used for urban afforestation as Organic ground surface mulch among, the color of different organic cladding materials itself and produce color and luster variation in decomposable process have very big-difference after covering, its change color directly has influence on the landscape effect of urban green space, and this is extremely unfavorable for come beautifying city with it.Therefore for the problems referred to above, conventionally use inorganic or organic dyestuff or coating to dye to wood chip both at home and abroad.The problems such as when using inorganic dyestuff or coating, they are difficult to be attached to wood chip surface, and cause dyeing inequality and fastness are poor, are difficult to obtain desirable Color.And in use dyestuff or coating easily come off from wood chip surface, affect landscaping effect.And while using organic dyestuff or coating to dye, not only organic dyestuff or coating consumption are higher, and are in use easy to cause comparatively serious water and soil to pollute.So need especially the good wood chip colouring method of a kind of environmental friendliness and color effects.
Summary of the invention
For the deficiencies in the prior art, the technical problem that quasi-solution of the present invention is determined is: provide a kind of environmental friendliness and color effects good wood chip colouring method.It is characterized in that this colouring method is comprised of two step two bath process, first use a small amount of acid dyes, by dip method, wood chip is carried out to bottoming dyeing, and then use iron oxide red (di-iron trioxide) and adhesive etc., by dip method, the rear wood chip of bottoming dyeing is carried out to surface colour.The wood chip color that can make like this to dye is even, and dyefastness is good, even if in use the iron oxide red of surface attachment comes off, wood chip still can keep basic colors, affects hardly landscaping effect.In addition, owing to only using a small amount of organic dyestuff and coated by iron oxide red and adhesive, so they are difficult to come off, can not cause environmental pollution.Use colouring method of the present invention can make wood chip obtain brownish red, and it is bright-coloured and even to dye, fastness is higher.Organic dyestuff content is little, and dyeing is simple, and production cost is low, is conducive to industrialization promotion.The more important thing is, because the iron oxide red of wood chip surface attachment is almost non-toxic, in use coming off with the passing of time and entering in natural environment can not affect animal and plant growth yet.
The technical scheme that the present invention solves described colouring method technical problem is: provide a kind of environmental friendliness and color effects good wood chip colouring method, it adopts following technique:
1. the pretreatment of wood chip: under stirring condition, first use the aqueous solution contain the neopelex that NaOH that concentration is 10.0g/L and concentration are 5.0g/L to boil to boil and process wood chip and takes out after 40 minutes, then washing is processed 5 times and oven dry at 100 ℃;
2. the preparation of acid dyes dye liquor (I): at room temperature the acid red A of different quality, Acid Black 10B and acid orange 156 are dissolved in the water respectively, after fully stirring, will after its standing 30 minutes, obtain dye liquor (I), making the wherein concentration of acid red A is 1.0-5.0g/L, the concentration of Acid Black 10B is 0.5-1.0g/L, and the concentration of acid orange 156 is 0.25-3.0g/L;
3. it is bottoming dyeing: above-mentioned dye liquor I and wood chip are placed in normal temperature dyeing machine, keep the ratio of bath raio (wood chip weight (kilogram) and organic dye liquor volume (liter)) 1: 30.Then the speed with 5 ℃/min is warming up to 95 ℃, and this temperature dyeing 60 minutes.After dyeing by its taking-up and carry out hot water wash 3 times and cold wash obtains bottoming dyeing wood chip for 2 times;
4. the preparation of iron oxide red dye liquor (II): iron oxide red and acrylic adhesives are put into respectively to water, fully stir and make it to form even dye liquor (II); Making the wherein concentration of iron oxide red is (100-150g/L), and the concentration of acrylic adhesives is (150-200g/L);
5. padding technique: will be placed in dye liquor (II) through the bottoming wood chip that dyes, and slowly stir and carry out room temperature dyeing in normal temperature dyeing machine.After 25 minutes by it taking-up and put into the baking oven of 180 ℃ and bake and process the wood chip sample that obtains dyeing for 15 minutes.
Accompanying drawing explanation
Fig. 1-Fig. 4 is dye case depth (K/S) curve maps of wood chip sample of four embodiment of the present invention, can find out that they reach maximum in the K/S at 480nm place value, and the form and aspect that they are described are consistent.Fig. 5 has provided four samples in the K/S at 480nm place value comparable situation, and wherein the K/S value of 4# sample is maximum, and its color of surface is the denseest.The dye K/S value of wood chip sample of four embodiment of the present invention is all used DigiEye to count the contactless color evaluation system measurement of insight.
The specific embodiment
The technical scheme that the present invention solves described colouring method technical problem is: provide a kind of environmental friendliness and color effects good wood chip colouring method.It is characterized in that this colouring method is comprised of two step two bath process, first use a small amount of acid dyes, by dip method, wood chip is carried out to bottoming dyeing, and then use iron oxide red (di-iron trioxide) and adhesive etc., by dip method, the rear wood chip of bottoming dyeing is carried out to surface colour.The wood chip color that can make like this to dye is even, and dyefastness is good, even if in use the iron oxide red of surface attachment comes off, wood chip still can keep basic colors, affects hardly landscaping effect.In addition, owing to only using a small amount of organic dyestuff and coated by iron oxide red and adhesive, so they are difficult to come off, can not cause environmental pollution.Use colouring method of the present invention can make wood chip obtain brownish red, and it is bright-coloured and even to dye, fastness is higher.Organic dyestuff content is little, and dyeing is simple, and production cost is low, is conducive to industrialization promotion.The more important thing is, because the iron oxide red of wood chip surface attachment is almost non-toxic, in use coming off with the passing of time and entering in natural environment can not affect animal and plant growth yet.
The technical scheme that the present invention solves described colouring method technical problem is: provide a kind of environmental friendliness and color effects good wood chip colouring method, it adopts following technique:
1. the pretreatment of wood chip: under stirring condition, first use the aqueous solution contain the neopelex that NaOH that concentration is 10.0g/L and concentration are 5.0g/L to boil to boil and process wood chip and takes out after 40 minutes, then washing is processed 5 times and oven dry at 100 ℃;
2. the preparation of acid dyes dye liquor (I): at room temperature the acid red A of different quality, Acid Black 10B and acid orange 156 are dissolved in the water respectively, after fully stirring, will after its standing 30 minutes, obtain dye liquor (I), making the wherein concentration of acid red A is 1.0-5.0g/L, the concentration of Acid Black 10B is 0.5-1.0g/L, and the concentration of acid orange 156 is 0.25-3.0g/L;
3. it is bottoming dyeing: above-mentioned dye liquor I and wood chip are placed in normal temperature dyeing machine, keep the ratio of bath raio (wood chip weight (kilogram) and organic dye liquor volume (liter)) 1: 30.Then the speed with 5 ℃/min is warming up to 95 ℃, and this temperature dyeing 60 minutes.After dyeing by its taking-up and carry out hot water wash 3 times and cold wash obtains bottoming dyeing wood chip for 2 times;
4. the preparation of iron oxide red dye liquor (II): iron oxide red and acrylic adhesives are put into respectively to water, fully stir and make it to form even dye liquor (II); Making the wherein concentration of iron oxide red is (100-150g/L), and the concentration of acrylic adhesives is (150-200g/L);
5. padding technique: will be placed in dye liquor (II) through the bottoming wood chip that dyes, and slowly stir and carry out room temperature dyeing in normal temperature dyeing machine.After 25 minutes by it taking-up and put into the baking oven of 180 ℃ and bake and process the wood chip sample that obtains dyeing for 15 minutes.
Wherein, described wood chip derives from the branch that the beta pruning of gardens department produces etc.,, and process through special slicer, to realize recycling of organic waste.The length of described wood chip is 2-5 centimetre, and width is 0.5-2 centimetre, and thickness is 0.2-0.5 centimetre.Being shaped as of described wood shavings mostly is rectangle rhombus, square and irregular form.
Introduce specific embodiments of the invention below, but the claims in the present invention are not subject to the restriction of these specific embodiments:
Embodiment 1
1. the pretreatment of wood chip: under stirring condition, first use the aqueous solution contain the neopelex that NaOH that concentration is 10.0g/L and concentration are 5.0g/L to boil to boil and process wood chip and takes out after 40 minutes, then washing is processed 5 times and oven dry at 100 ℃;
2. the preparation of acid dyes dye liquor (I): at room temperature the acid red A of different quality, Acid Black 10B and acid orange 156 are dissolved in the water respectively, after fully stirring, will after its standing 30 minutes, obtain dye liquor (I), making the wherein concentration of acid red A is 5.0g/L, the concentration of Acid Black 10B is 0.5g/L, and the concentration of acid orange 156 is 0.25g/L;
3. it is bottoming dyeing: above-mentioned dye liquor I and wood chip are placed in normal temperature dyeing machine, keep the ratio of bath raio (wood chip weight (kilogram) and organic dye liquor volume (liter)) 1: 30.Then the speed with 5 ℃/min is warming up to 95 ℃, and this temperature dyeing 60 minutes.After dyeing by its taking-up and carry out hot water wash 3 times and cold wash obtains bottoming dyeing wood chip for 2 times;
4. the preparation of iron oxide red dye liquor (II): iron oxide red and acrylic adhesives are put into respectively to water, fully stir and make it to form even dye liquor (II); Making the wherein concentration of iron oxide red is (100-150g/L), and the concentration of acrylic adhesives is (150-200g/L);
5. padding technique: will be placed in dye liquor (II) through the bottoming wood chip that dyes, and slowly stir and carry out room temperature dyeing in normal temperature dyeing machine.After 25 minutes by it taking-up and put into the baking oven of 180 ℃ and bake and process the wood chip sample that obtains dyeing for 15 minutes.The stained specimens brief note obtaining is embodiment stained specimens 1#.
Embodiment 2
1. technique is identical with the step 1 in embodiment 1.
2. described in, the concentration of acid red A is set as 3.0g/L,, the concentration of Acid Black 10B is set as 1.0g/L, and the concentration of acid orange 156 is set as 0.5g/L, all the other are with the step 2 in embodiment 1.
3. technique is identical with the step 4 in embodiment 1.
4. described in, the concentration of iron oxide red is set as (125g/L), and the concentration of acrylic adhesives is (150g/L), and all the other techniques are identical with the step 4 in embodiment 1 respectively.
5. technique is identical with the step 5 in embodiment 1, and the stained specimens brief note obtaining is embodiment stained specimens 2#.
Embodiment 3
1. technique is identical with the step 1 in embodiment 1 respectively.
2. described in, the concentration of acid red A is set as 1.0g/L,, the concentration of Acid Black 10B is set as 1.0g/L, and the concentration of acid orange 156 is set as 3.0g/L, all the other are with the step 2 in embodiment 1.
3. technique is identical with the step 4 in embodiment 1 respectively.
4. described in, the concentration of iron oxide red is set as (135g/L), and the concentration of acrylic adhesives is (170g/L), and all the other techniques are identical with the step 4 in embodiment 1 respectively.
5. technique is identical with the step 5 in embodiment 1 respectively, and the stained specimens brief note obtaining is embodiment stained specimens 3#.
Embodiment 4
1. technique is identical with the step 1 in embodiment 1 respectively.
2. described in, the concentration of acid red A is set as 1.0g/L,, the concentration of Acid Black 10B is set as 0.5g/L, and the concentration of acid orange 156 is set as 2.0g/L, all the other are with the step 2 in embodiment 1.
3. technique is identical with the step 4 in embodiment 1 respectively.
4. described in, the concentration of iron oxide red is set as (150g/L), and the concentration of acrylic adhesives is (200g/L), and all the other techniques are identical with the step 4 in embodiment 1 respectively.
5. technique is identical with the step 5 in embodiment 1 respectively, and the stained specimens brief note obtaining is embodiment stained specimens 4#.
Claims (4)
1. an environmental friendliness and the good wood chip colouring method of color effects.It is characterized in that this colouring method is comprised of two step two bath process, first use a small amount of acid dyes, by dip method, wood chip is carried out to bottoming dyeing, and then use iron oxide red is that di-iron trioxide and adhesive etc. carry out surface colour by dip method to the rear wood chip of bottoming dyeing.
2. a kind of dyeing of the wood chip as urban look mulching material new method according to claim 1, is characterized in that described a small amount of acid dyes can be acid red A, Acid Black 10B and acid orange 156, and concentration is 0.25-5.0g/L.
3. a kind of wood chip as urban look mulching material dyeing new method according to claim 1, is characterized in that described iron oxide red is that the concentration of di-iron trioxide and adhesive can be 100-150g/L and 150-200g/L.
4. a kind of wood chip as a urban look mulching material dyeing new method described in claim 1-3 any one, it adopts following technique:
Step 1: the pretreatment of wood chip: under stirring condition, first use the aqueous solution contain the neopelex that NaOH that concentration is 10.0g/L and concentration are 5.0g/L to boil to boil and process wood chip and takes out after 40 minutes, then washing is processed 5 times and oven dry at 100 ℃;
Step 2: the preparation of acid dyes dye liquor I: at room temperature the acid red A of different quality, Acid Black 10B and acid orange 156 are dissolved in the water respectively, after fully stirring, will after its standing 30 minutes, obtain dye liquor I, making the wherein concentration of acid red A is 1.0-5.0g/L, the concentration of Acid Black 10B is 0.5-1.0g/L, and the concentration of acid orange 156 is 0.25-3.0g/L;
Step 3: bottoming dyeing: above-mentioned dye liquor I and wood chip are placed in normal temperature dyeing machine, and keeping the ratio of bath raio wood chip weight and organic dye liquor volume is 1: 30.Then the speed with 5 ℃/min is warming up to 95 ℃, and this temperature dyeing 60 minutes.After dyeing by its taking-up and carry out hot water wash 3 times and cold wash obtains bottoming dyeing wood chip for 2 times;
Step 4: the preparation of iron oxide red dye liquor II: iron oxide red and acrylic adhesives are put into respectively to water, fully stir and make it to form even dye liquor II; Making the wherein concentration of iron oxide red is 100-150g/L, and the concentration of acrylic adhesives is 150-200g/L;
Step 5: padding technique: will be placed in dye liquor II through the bottoming wood chip that dyes, and slowly stir and carry out room temperature dyeing in normal temperature dyeing machine.After 25 minutes by it taking-up and put into the baking oven of 180 ℃ and bake and process the wood chip sample that obtains dyeing for 15 minutes.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109354928A (en) * | 2018-07-24 | 2019-02-19 | 江苏宇星工贸有限公司 | A kind of organic mat special-used colour starch and preparation method thereof |
CN111410873A (en) * | 2020-04-02 | 2020-07-14 | 河北宏正科技有限公司 | Wood chip organic covering coloring agent and preparation method thereof |
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CN101747689A (en) * | 2010-01-08 | 2010-06-23 | 东莞市大兴化工有限公司 | Iron oxide red aqueous color paste for wood coating and preparation thereof |
CN103360851A (en) * | 2012-03-30 | 2013-10-23 | 唐述华 | Development method of novel water-based timber rubbling coloring agent |
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2014
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Patent Citations (6)
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US20030213168A1 (en) * | 2002-04-01 | 2003-11-20 | Anthony Hesse | Compositions, methods and devices for enhancing landscaping materials |
CN1520714A (en) * | 2003-02-11 | 2004-08-18 | 胡齐国 | Sawdust processing method and its use of covering soil in plant growth |
CN101310945A (en) * | 2008-06-19 | 2008-11-26 | 浙江仕强竹业有限公司 | Production technique of stained recombination module wood |
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CN101747689A (en) * | 2010-01-08 | 2010-06-23 | 东莞市大兴化工有限公司 | Iron oxide red aqueous color paste for wood coating and preparation thereof |
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CN111410873A (en) * | 2020-04-02 | 2020-07-14 | 河北宏正科技有限公司 | Wood chip organic covering coloring agent and preparation method thereof |
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